package homework0302;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
//泛型
public class GenericDemo {
    public static void main(String[] args) {
        Collection<Point> c=new ArrayList<>();
        c.add(new Point(1,2));
        c.add(new Point(3,4));
        c.add(new Point(5,6));
        c.add(new Point(7,8));
        c.add(new Point(9,0));
        Iterator<Point> it=c.iterator();
        while (it.hasNext()){
            Point p=it.next();
            System.out.println(p);
        }
        for (Point p:c){
            System.out.println(p);
        }
    }
}
